Si-Lok
Payments companies reported to CMS as associated with Si-Lok. "Associated with" is CMS's wording: it links a payment to a product without saying the money was spent on it.
By year
Payments reported as associated with Si-Lok, per program year, as reported to CMS.
Who makes it
Specialties most often involved
Where the associated payments went, by the receiving clinician's specialty.
Clinicians most associated with Si-Lok
These are the largest totals companies reported as associated with Si-Lok. They are typically speaking or consulting arrangements, which companies must report by law; appearing here is not evidence of anything improper.
| Clinician | Location | Specialty | Associated payments (2023-2025) |
|---|---|---|---|
| Michael Barnum | Tavares, FL | Orthopaedic Surgery of The Spine | $45,563.32 |
| Frank Lamarca | Ann Arbor, MI | Neurological Surgery | $25,368.60 |
| Matthew Lipp | Chatham, NJ | Interventional Pain Medicine | $24,697.47 |
| Sonia Eden | Detroit, MI | Neurological Surgery | $21,719.86 |
| Bruce Dall | Kalamazoo, MI | Orthopaedic Surgery | $21,719.86 |
| Hunter Brumblay | Kalamazoo, MI | Neurological Surgery | $21,719.86 |
| Louis Rappoport | Phoenix, AZ | Orthopaedic Surgery of The Spine | $19,990.32 |
| Harlan Bruner | Athens, GA | Neurological Surgery | $19,990.03 |
| Andrew Pugely | Iowa City, IA | Orthopaedic Surgery of The Spine | $19,973.18 |
| Yasuaki Harasaki | Aurora, CO | Neurological Surgery | $19,973.18 |
Prescribed Si-Lok?
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Source: CMS Open Payments, program years 2019-2025, as reported to CMS by drug and device makers (published June 30, 2026). Drug and device detail covers 2023-2025.